chore(deps): update dependency smee-client to v5

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
smee-client	^4.3.1 -> ^5.0.0

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Release Notes

probot/smee-client (smee-client)

v5.0.0

Compare Source

chore

• update readme (#​419) (ebd1dfb), closes #​415 #​396

BREAKING CHANGES

• Client#start() is now an async function. This behaviour was initially released as part of 4.2.0 and not documented

v4.4.2

Compare Source

Reverts

• Revert "feat: add connection timeout for first connection, add startForward and stopForward methods (#​388)" (6022584)
• Revert "feat: add new query-forwarding option, refactor code to allow onopen, onerror and onmessage overridable (#​382)" (a4603d5)
• Revert "fix: avoid double logging of connection error (#​391)" (287ce37)
• Revert "fix(deps): remove validator (after refactor) (#​384)" (45ae69c)

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